2025 in Tanzania

• President: Samia Suluhu
• Vice-President: Philip Mpango
• Prime Minister: Kassim Majaliwa (until 13 November); Mwigulu Nchemba (since 13 November)
• Chief Justice: Ibrahim Hamis Juma

• January 14 – An outbreak of Marburg virus is reported in the Kagera Region, leaving at least eight people dead.^[1]
• January 22 – Tundu Lissu is elected as leader of the opposition party Chadema, ousting Freeman Mbowe, who led the party for over 20 years.^[2]

• March 13 – Tanzania announces the withdrawal of its military contingent from the Southern African Development Community peacekeeping mission to the eastern Democratic Republic of the Congo.^[3]

• April 9 – Tundu Lissu is arrested on charges of incitement and treason after calling for electoral reforms at a rally in Mbinga.^[4]
• April 13 – The National Electoral Commission disqualifies Chadema from competing in the 2025 Tanzanian general election, saying that it had failed to sign a code of conduct document that was due on 12 April.^[5]

• May 18 – Kenyan politician Martha Karua is arrested and deported upon arrival at Julius Nyerere International Airport in Dar es Salaam to represent Tundu Lissu in court.^[6]
• May 20 – A series of cyberattacks are conducted on social media accounts of government agencies including the Tanzania Police Force, resulting in a nationwide blockage for X.^[7]

• June 3 – Authorities close down the Glory of Christ church in Dar es Salaam, following remarks from its leader, MP Josephat Gwajima criticising human rights abuses by the government.^[8]
• June 28 – Two buses collide and catch fire in Sabasaba, Kilimanjaro Region, killing 38 people and injuring 28 others.^[9]

• July 3 – Prime Minister Kassim Majaliwa announces he will not seek re-election in the upcoming October parliamentary elections.^[10]

• September 15 – Alphonce Simbu becomes the first Tanzanian to win a gold medal in a world marathon championship after finishing first in the World Championships Marathon in Japan.^[11]
• September 24 – A Tanzania-flagged vessel carrying 2,500 tons of cement partially submerges south of Kish Island, Iran. All nine crew members are rescued.^[12]

• October 22 – Police detain Chadema deputy chair John Heche outside a Dar es Salaam court during Tundu Lissu’s trial.^[13]
• October 29 –
  • 2025 Tanzanian general election: Incumbent president Samia Suluhu Hassan is reelected with 98% of the vote, according to official results.^[14]
  • Violent protests break out over the disqualification of opposition candidates during the general election; police then impose a curfew in Dar es Salaam^[15][16] that is lifted on November 4.^[17]

• November 3 – Samia Suluhu Hassan is inaugurated for a second term as president.^[18]
• November 8 – Police arrest Chadema deputy secretary general Amani Golugwa and issue warrants for nine others over post-election protests; 145 people are charged with treason.^[19]
• November 13 – President Suluhu nominates Mwigulu Nchemba as prime minister.^[20]
• November 14 – In her first post-election parliamentary address, President Suluhu establishes an inquiry commission to investigate killings during the October election protests.^[21]
• November 17 – President Suluhu appoints Khamis Mussa Omar as finance minister as part of a cabinet reshuffle that results in the replacement of seven officials.^[22][23]

• 16 December – US President Donald Trump issues a proclamation imposing partial travel restrictions on Tanzanian nationals travelling to the United States.^[24]
• 24 December – A helicopter crashes near Barafu Camp on Mount Kilimanjaro during a medical rescue mission, killing five people.^[25]

Source:^[26][27]

• 1 January – New Year's Day
• 12 January – Zanzibar Revolution
• 30 March – Eid al-Fitr
• 7 April – Karume Day
• 18 April – Good Friday
• 20 April – Easter
• 21 April – Easter Monday
• 26 April – Union Day
• 1 May – Labour Day
• 6 June – Eid al-Adha
• 7 July – Saba Saba Day
• 8 August – Nane Nane Day
• 4 September – Prophet Muhammad's Birthday
• 14 October – Nyerere Day
• 9 December – Tanzania Independence Day
• 25 December – Christmas Day
• 26 December – Boxing Day